CVE-2026-123044highCWE-79

CVE-2026-123044: high-severity vulnerability in ContentPen

ContentPen < 1.1.1 - Unauthenticated Stored XSS via API Key Disclosure

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.5epss 0.2%
The ContentPen WordPress plugin before 1.1.1 discloses its REST API key to unauthenticated users, who can then use it to create posts containing unfiltered JavaScript, leading to Stored XSS that executes in the browser of any visitor, including administrators.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · ContentPen
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